1
4
easy
8
25min
5
4
easy
0
1
0
easy
0
1
6
medium
0
11
23
easy
0
17
16
easy
12
1h 22min
9
8
easy
1
7
12
easy
1
2
10
easy
0
25min
4
6
easy
2
0
1
easy
0
0
3
easy
3